> For the complete documentation index, see [llms.txt](https://docs.deltaquad.com/tac/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.deltaquad.com/tac/flight/advanced-flight.md).
# Advanced Flight
This chapter covers how to operate in GPS-denied areas and perform offshore operations.
## Chapter Index
* [GPS Denied Operation](/tac/flight/advanced-flight/gps-denied-operations.md)
* [Offshore Operation](/tac/flight/advanced-flight/offshore-operations.md)
{% hint style="danger" %}
Advanced flight operations encompass **GPS-denied** environments, **manual flying**, and **offshore operations.** These scenarios require **skilled** **piloting** without GPS assistance and demand a deep understanding of the DeltaQuad Evo and its controls. Only experienced pilots should attempt these maneuvers, as they involve navigating without GPS, which can complicate situational awareness and precision. A deep understanding of the [**Flight** ](/tac/flight.md)chapter is essential for maintaining stability and control in challenging conditions. Always **prioritize** **safety** and preparedness in such operations.
{% endhint %}
The following parameters can be adjusted for special operations in **AMC Menu (Advanced Mode) -> Advanced ->** [**Parameters**](/tac/flight/auterion-mission-control-amc-overview/amc-menu/advanced.md#parameters).
Search for the parameter that needs to be changed.
Set the value and save it.
* MPC\_MAX\_HOVER\_T
**Default:** 90 **Max:** 150
The DeltaQuad Evo's default maximum hover time is 90 seconds, but this can be extended to a maximum of 150 seconds. After the timeout, the vehicle will automatically force-land at its current location. Adjusting this value may be necessary for offshore operations.
* COM\_WIND\_MAX
**Default:** 14 **Max:** -1 (off)
By default, the DeltaQuad Evo can tolerate a maximum windspeed of 14 m/s. This limit can be disabled if a mission must be completed regardless of wind conditions.
* COM\_WIND\_MAX\_ACT
**Default**: Return **Optional**: Warning
The maximum windspeed action can be changed to a warning. By default, the vehicle will return if the windspeed exceeds the tolerance limits.
If arming without GPS is not possible, set the following parameter to **Allow arming without GPS**.
* COM\_ARM\_WO\_GPS
{% hint style="danger" %}
The warranty will be void if any incident occurs as a result of changes made to the parameters.
{% endhint %}
---
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